W32Compat.cpp

// must be first: 
//#include "precompiled.h"

/*
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
  Multimediale Systeme der Informationsverarbeitung
  Institut fuer Informatik
  Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifdef WIN32

#include "W32Compat.hh"
#include <windows.h>
#include <time.h>
#include <math.h>

// for mkdir:
#include <direct.h>



int gettimeofday(struct timeval *tv, struct timezone *tz)
{
  FILETIME        ft;
  LARGE_INTEGER   li;
  __int64         t;
  static int      tzflag;

  if (tv)
  {
    GetSystemTimeAsFileTime(&ft);
    li.LowPart  = ft.dwLowDateTime;
    li.HighPart = ft.dwHighDateTime;
    t  = li.QuadPart;       /* In 100-nanosecond intervals */
    t -= EPOCHFILETIME;     /* Offset to the Epoch time */
    t /= 10;                /* In microseconds */
    tv->tv_sec  = (long)(t / 1000000);
    tv->tv_usec = (long)(t % 1000000);
  }

  if (tz)
  {
    if (!tzflag)
    {
      _tzset();
      tzflag++;
    }
    tz->tz_minuteswest = _timezone / 60;
    tz->tz_dsttime = _daylight;
  }
  return 0;
}


int mkdir(const char *dirname, int /*mode_IsIgnored*/ )
{
  //return mkdir(dirname);
  return _mkdir(dirname); // VS 8 from direct.h
}

double copysign(double x, double y)
{
  return (y>=0.0)?(fabs(x)):(-fabs(x));
}

#endif // Win32